Sink all your opponent's ships in Salvo Mode within 4 turns

Achievement Guide for Iron Bottom Sound

Achievement won on 12 Apr 09TA Score for this game: 3,212
Posted on 13 April 09 at 03:31

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The only realistic way to get this achievement is to know exactly where your opponents five ships are placed in Salvo Mode. That being said, using two controllers signed in with two different gamertags, place your "opponent's" ships in a place easy for you to remember. In Salvo mode, as long as you have all five ships remaining in your fleet, you'll get five shots on your opponent each turn. That is more than enough for this achievement.

Each round, bomb five units of the other player's ships in whatever order you like. You know where they are, you put them there. After four turns, when all five ships are sunk, the achievement will unlock.